On the healthcare issue in Argentina...
First, what I'm comparing: when I lived in Los Angeles, I had Blue Cross/Blue Shield; when I lived in Manhattan, I had Aetna; when I lived in New Haven, CT I had insurance through Yale Health.
I’ve had great experiences here in Argentina in terms of affordable premiums, attentive and capable providers, and responsive and accessible insurance companies (I have OSDE now and had a policy directly through Hospital Aleman before / expat friends of ours have Swiss Medical and report that they’re very satisfied as well).
Moreover, we have friends that are doctors who have worked/lived/studied in Western Europe, Argentina, and the US. They’ve explained that because some of the medical technology here is not as fancy, they became better at clinical care and more personal and attentive with diagnosis. My spouse is Argentine and we have family in Spain and, obviously, the US. We have talked about retirement (which is a long way off still!) and come to the conclusion that thus far we would prefer Argentina to the others when it comes to medical care.
Suerte!